单选题：A system with 32-bit addresses, 1 GB main memory, and a 1 megab

A system with 32-bit addresses, 1 GB main memory, and a 1 megabyte (20-bit) page size will have a page table that contains: @[A](1)
A. 4K entries
B. 4M entries
C. 1M entries
D. 1K entries





A.4K entries
B.4M entries
C.1M entries
D.1K entries


答案：A